| Schwab, W.C., Hein, J.R., Davis, A.S., Morgenson, L.A., Daniel, C.L., Haggerty, J.A. (1986) Geological and geochemical data for seamounts and associated ferromanganese crusts in the Ratak Chain, Marshall Islands. Open-File Report Vol. 1986 (86-338) US Geological Survey doi:10.3133/ofr86338 | Report (issue) | Ferromanganese Crusts in the Ratak Chain, Marshall Islands by W.C. Schwab*, J.R. Hein 2 , A.S. Davis...R/V S.P. LEE along the northern Ratak Ridge, Marshall Islands (Fig. 1). Preliminary geochemical results...crusts) on the submarine slopes of seamounts, and islands may have potential for commercial exploitation...technical evaluation of Mn crusts within the Marshall Islands area. Ferromanganese-oxide precipitates that...submarine flanks of seamounts, guyots, atolls, islands, and linear volcanic ridges, have been known for | | Schwab, W.C., Davis, A.S., Haggerty, J.A., Ling, T.H., Commeau, J.A. (1984) Geologic reconnaissance and geochemical analysis of ferromanganese crusts of the Ratak Chain, Marshall Islands. Open-File Report Vol. 1984 (85-18) US Geological Survey doi:10.3133/ofr8518 | Report (issue) | ferromanganese crusts of the Ratak Chain, Marshall Islands by W.C. Schwab 1 , A.S. Davis 2 J.A. Haggerty3...L9-84-CP) left Majuro, Ratak chain of the Marshall Islands, on July 28, 1984 and reached Hawaii on August...composition of ferromanganese-oxide crusts in the Marshall Islands area (Fig. 1). A total of 5410 km of 12-kHz...sediment cap of an unnamed seamount in the north Marshall Islands (Fig. 1). Every dredge haul recovered ferromanganese-oxide...Preliminary chemical analyses of bulk samples of Marshall Islands ferromanganese-oxide crusts were conducted | | Hein, J.R., Kang, Jung-Keuk, Schulz, M.S., Park, Byong-Kwon, Kirschenbaum, Herbert, Yoon, Suk-Hoon, Olson, R.L., Smith, V.K., Park, Dong-Won, Riddle, G.O., Quinterno, P.J., Lee, Yoon-Oh, Davis, A.S., Kim, R.S., Pringle, M.S., Choi, Dong-Lim, Pickthorn, L.G., Schlanger, S.O., Duennebier, F.K., Bergersen, D.D., Lincoln, J.M. (1990) Geological, geochemical, geophysical, and oceanographic data and interpretations of seamounts and co-rich ferromanganese crusts from the Marshall Islands, KORDI-USGS R.V. FARNELLA cruise F10-89-CP. Open-File Report Vol. 1990 (90-407) US Geological Survey doi:10.3133/ofr90407 | Report (issue) | and Co-rich Ferromanganese Crusts from the Marshall Islands, KORDIUSGS R.V. Farnella Cruise F10-89-CP...in a cooperative cruise (F10-89-CP) to the Marshall Islands (Figs. 1, 2). Eight scientists from Korea...and one observer from the Republic of the Marshall Islands comprised the scientific staff (Table 1)....Fe-Mn crusts that occur on seamounts in the Marshall Islands Exclusive Economic Zone (EEZ), and 2. To determine...evolution of the seamounts and atolls in the Marshall Islands region. Shipboard operations comprised 46 | | | Report (issue) | GEOCHEMISTRY AND PETROLOGY OF BASALTIC ROCKS FROM THE MARSHALL ISLANDS by Alice S. Davis 1 , William C. Schwab2...seamounts, guyots, atolls, and islands in the Ratak chain of the Marshall Islands on the U.S. Geological Survey...slope deposit and minor volcanogenic breccia and loose talus. The breccia and pieces of talus are thickly...heterolithologic tuff breccia and loose angular pieces of hawaiite. The tuff breccia consists of poorly...gravity flow deposits. However, some portions of the breccia , especially those with abundant broken crystals | | Hein, J.R., Moon, Jai-Woon, Lee, Kyeong-Yong, Dowling, J.S., Kim, Ki-Hyune, Burrows, Malia, Park, S.H., Choi, Youn-ji, Schuetze, A.A., Jung, H.-S., Kim, Hyun-Sub, Lee, G.C., Park, Cheong-Kee, Son, S.K., Park, Chan-Young (1999) Co-rich Fe-Mn crusts from the Marshall Islands (Leg 1) and hydrothermal and hydrogenetic Fe-Mn deposits from Micronesia (Leg 2), KODOS 98-3 cruise, West Pacific. Open-File Report Vol. 1999 (99-412) US Geological Survey doi:10.3133/ofr99412 | Report (issue) | changing world Co-RICH Fe-Mn CRUSTS FROM THE MARSHALL ISLANDS (LEG 1) AND HYDROTHERMAL AND HYDROGENETIC...Economic Zone (EEZ) of the Republic of the Marshall Islands (RMI) (Figs. 1-3). Leg 2 operations included...consist of bioclastic and foraminiferal limestones, breccia composed of mostly volcanic and phosphorite clasts...the west of Anewetak Atoll in the western Marshall Islands. The bathymetry reveals a flat-topped edifice...decreasing order of abundance include limestone, breccia, phosphorite, basalt, and ironstone (Tables 5, | | | Journal (article/letter/editorial) | determined by other techniques. Within the Marshall Islands crust, growth rates for individual layers...locations include midplate seamounts and ridges (Marshall Islands, Necker Ridge, and the Musician Seamounts)...spreading ridge and a volcanic island arc (Mariana Islands) that are sites of mixed hydrothermal-hydrogenetic...analyzed in this study. The samples from the Marshall Islands (Erikub Seamount), Musician Seamounts (Schumann...SMlllCUfltS) DSQ-2 23’05.7’N 23’05.6’E Mariana islands (South Rohan 1260 49 Quaternary .?=moum) D7-Al | | | Report (issue) | and ROBERT W. REX BIKINI AND NEARBY ATOLLS, MARSHALL ISLANDS GEOLOGICAL SURVEY PROFESSIONAL PAPER 260-W...Geological Survey. "Bikini and nearby atolls, Marshall Islands." Bibliography: p. 794-798. 1. Globigerinidae...2. Deep-sea deposits. 3. PaleontologyMarshall Islands-Sylvania Guyot. I. Rex, Robert W., 1929joint author...250-25! foJlow index) PLATE 250. Volcanic tuff-breccia containing Eocene Globigerina ooze. 251. Photomicrograph...794 7~)7 ~ I BIKINI AND NEARBY ATOLLS, MARSHALL ISLANDS LOWER EOCENE PHOSPHATIZED GLOBIGERINA OOZE | | Hein, James R., Moon, Jai-Woon, Lee, Kyeong-Yong, Kim, Ki-Hyun, Roberts, Leanne, Burrows, Malia, Park, S.H., Dowling, Jennifer, Choi, Youn-ji, Zielinski, S.E., Chi, Sang-Bum, Benninger, Laura, Kim, Hyun-Sub, Park, Cheong-Kee (1998) Composition of Co-rich ferromanganese crusts and substrate rocks from the Marshall Islands, cruise KODOS 97-4. Open-File Report Vol. 1998 (98-375) US Geological Survey doi:10.3133/ofr98375 | Report (issue) | Ferromanganese Crusts and Substrate Rocks from the Marshall Islands, Cruise KODOS 97-4 James R. Hein1 , Jai-Woon...northwest Pacific seamounts were studied in the Marshall Islands Exclusive Economic Zone (EEZ) during the KODOS...on Fe-Mn crusts collected in and around the Marshall Islands (Hein et al., 1988; Hein, Kang, et al., 1990;...located between four atolls in the south-central Marshall Islands and Litakpooki Ridge is located at the southwestern...southwestern margin of the Marshall Islands EEZ (Fig. 1). The bathymetry of those two edifices, especially | | | Report (issue) | SEYMOUR O. SCHLANGER BIKINI AND NEARBY ATOLLS, MARSHALL ISLANDS GEOLOGICAL SURVEY PROFESSIONAL PAPER ...Holes on islands---------------------------Summary of sections in shallow holes on islands _ Beach r...Page 868 869 890 BIKINI AND NEARBY ATOLLS, MARSHALL ISLANDS DRILLING OPERATIONS ON ENIWETOK ATOLL By HARRY... SCHLANGER ABSTRACT Shallow holes drilled on islands of Eniwetok Atoll showed that most of the near-surface...solid plate thicker than anything found under the islands. Deep drilling revealed the presence of olivine | | Hein, James R., Ahn, Jung-Ho, Wong, J.C., Kang, Jung-Keuk, Smith, V.K., Yoon, Suk-Hoon, d'Angelo, W. M., Yoo, Sang-Ok, Gibbs, A.E., Kim, Han-Joon, Quinterno, P.J., Jung, Moon-Young, Davis, A.S., Park, Byong-Kwon, Gillison, J.R., Marlow, M. S., Schulz, M.S., Siems, D.F., Taggart, J.E., Rait, Norma, Pickthorn, L.G., Malcolm, M.J., Kavulak, M.G., Yeh, Hsueh-Wen, Mann, D. M., Noble, M.A., Riddle, G.O., Roushey, B.H., Smith, Hezekiah (1992) Geology, geophysics, geochemistry, and deep-sea mineral deposits, Federated States of Micronesia; KORDI-USGS R.V. Farnella Cruise F11-90-CP. Open-File Report Vol. 1992 (92-218) US Geological Survey doi:10.3133/ofr92218 | Report (issue) | the arc (inner trench wall, summit, and summit islands) are metamorphic rocks of greenschist and amphibolite...long and has a summit platform supporting several islands: Ulithi Atoll, Fais Island, and Woleai Atoll; several...flank of the rise recovered mainly basalt and breccia (Dredge D19, Table 6). Line 8 continues to the...on the middle west flank recovered basalt and breccia, whereas dredge D9 from the east summit recovered...is 289 m, 16 m shallower than it is in the Marshall Islands EEZ (Hein, Kang, et al., 1990). The lowest | | Hein, James R., Zielinski, S.E., Staudigel, Hubert, Chang, Se-Won, Greene, Michelle, Pringle, M.S. (1997) Composition of Co-rich ferromanganese crusts and substrate rocks from the NW Marshall Islands and international waters to the north, Tunes 6 cruise. Open-File Report Vol. 1997 (97-482) US Geological Survey doi:10.3133/ofr97482 | Report (issue) | Ferromanganese Crusts and Substrate Rocks from the NW Marshall Islands and International Waters to the North, Tunes...previous work on Fe-Mn crusts collected from the Marshall Islands and Federated States of Micronesia to seamounts...located in international waters north of the Marshall Islands Exclusive Economic Zone (EEZ), whereas only...seamount was sampled within the EEZ of the Marshall Islands (Fig. 1; Table 1). A total of 35 dredges were...rocks in decreasing order of abundance are basalt, breccia, phosphorite, hyaloclastite, limestone, volcaniclastic | | | Journal (article/letter/editorial) | YEARS' CONTACT WITH SEA WATER, SYLVANIA GUYOT, MARSHALL ISLANDS by R. W. REX Chevron Research Company La Habra...original volcanic rock was basaltic glass in a tuff breccia. The alteration products consist of: (1) water-clear...from a common base with Bikini atoll in the Marshall Islands. Sylvania has a very flat top at about 4230...consisted mostly of yellow and brown basaltic tuff breccia (Macdonald in Emery et al., 1954, p. 120) covered...study of the largest block showed that the tuff breccia had altered to a mixture of phillipsite, a yellow-buff | | Hein, James R, Hsueh-Wen, Yeh, Gunn, Susan H, Gibbs, Ann E, Chung-ho, Wang (1994) Composition and origin of hydrothermal ironstones from central Pacific seamounts. Geochimica et Cosmochimica Acta, 58 (1) 179-189 doi:10.1016/0016-7037(94)90455-3 | Journal (article/letter/editorial) | 125 km and is located in the north-central Line Islands (Fig. 1). The age is unknown but, based on regional...northern terminus of the northwest trending Line Islands Ridge and is a long narrow volcanic ridge measuring...seamount complex at the western margin ofthe Marshall Islands Exclusive Economic Zone (Fig. I: HEIN et al...G”ee&FA Brown goethite& CFAreplacedbasaltclastin breccia(claststo 6 cm) Tab&slab (30~20x3c<) of brownironstone...m) Brown &A imnsione clasts in Fe&In cemented breccia (clasts to 3 cm) Brown tabular ironstone clasts | | | Report (chapter) | Johnston Island (east-central Pacific) and the Marshall Islands (west-central Pacific); and those from the...Commonwealth of the Northern Mariana Islands, the rift zones adjacent to the islands of Hawaii and Maui, and the...the Johnston Island, Kingman-Palmyra Islands, and Marshall Islands EEZs. F e - M n nodule data are for...and vein fill, cement for volcanic breccia. 5 Mostly cement for breccia, sandstone and siltstone. Back-arc...hydrogenetic Fe-Mn crust from Lomilik Seamount, Marshall Islands; this up to 18 cm thick crust grew on a phosphatized | | | Report (issue) | Missouri Pb-Zn deposits, and Colorado Plateau breccia pipe U-Cu-Ag deposits have anomolous concentrations...ferroraanganese crusts in the Ratale Chain, Marshall Islands: U.S. Geological Survey Open-File Report 86-338...253-272. Wenrich, K.J., 1985, Mineralization of breccia pipes in northern Arizona: Economic Geology, v...Blackbird Co-Cu Limassol Forest Co-Ni Colorado Plateau breccia pipe U-Cu-Ag 30b 32a 37a 27a 25a 26a 25e 24d 8c...veins Southeast Missouri Pb-Zn Colorado Plateau breccia pipe U-Cu-Ag Organic-rich shale Zn-V-Cr-Mo-Ni-Ag-Se | | | Report (issue) | GRANT GROSS GEOLOGY OF THE MIDWAY AREA, HAWAIIAN ISLANDS GEOLOGICAL SURVEY PROFESSIONAL PAPER 680-A Two...establish a Tertiary section for the Hawaiian Islands UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...__-_-_---------_---13 11. Dolomitic limestone breccia at 588 feet____-__--_______--___-______-________--___------...______________ in GEOLOGY OF THE MIDWAY AREA, HAWAIIAN ISLANDS DEEP DRILLING ON MIDWAY ATOLL By HARRY S. LADD...establish a geologic section for the Hawaiian Islands that extends back through the Miocene. Chemical | | | Journal (article/letter/editorial) | Harvard College, vol. xxxiii, his account of " The Islands and Coral Reefs of Fiji," with 120 plates and 168...the Sandwich, the Samoan Islands, and the Galapagos. " The Hawaiian Islands I had explored on former...majority of the coral reefs, atolls, and coral islands of the tropical Pacific, and to have the benefit...in studying groups of coral islands like the Fiji or the Society Islands. The charts and ' Sailing Directions'...have now covered the principal coral reefs and islands of the Pacific, the West Indies, and the Indian | | | Report (issue) | flat-topped edifice in the north-central Line Islands, and measures about 80 by 125 km at its base (Figure...pebble- and cobble-sized clasts in volcaniclastic breccia, or loose talus. Hyaloclastite composed of angular...groundmass plagioclase in alkalic basalt from the Marshall Islands span all three fields in a single thin section...clinopyroxene phenocrysts in alkalic basalt from the Marshall Islands (Davis and others, 1986; 1987) span the field...volcanic islands such as Samoa (Natland, 1980), Caroline (Mattey, 1982), and Marshall Islands (Davis et | | | Report (issue) | Tracey, Jr., surface geology of coral reefs and islands; K. O. Emery, submarine geology and sediments;...and salinities of the waters in the entire Marshall Islands area from latitude 20° N. to latitude 3° S...physical oceanographic reconnaissance of the Marshall Islands area was organized as part of the work of...the slightly higher level of reef rock under the islands. Bikini Atoll appears, on the whole, to be a healthy...surfaces suggests that these cones may have been islands and that they were not truncated by wave erosion | | | Report (issue) | New Hanover 3°S 180°E 170°E Kavieng Tabar Islands Lihir Island EL 1205 2557 sq km Conical Seamount...particularly the EEZ of Johnston Island (USA), the Marshall Islands, and international waters in the Mid-Pacific...as the State of Hawaii; RMI = Republic of Marshall Islands; FSM = Federated States of Micronesia; most...seamounts in the Pacific are associated with the islands that compose these nations and consequently much...and vein fill, cement for volcanic breccia; 5Mostly cement for breccia, sandstone and siltstone 1 2 42 | | Bau, Michael, Koschinsky, Andrea, Dulski, Peter, Hein, James R. (1996) Comparison of the partitioning behaviours of yttrium, rare earth elements, and titanium between hydrogenetic marine ferromanganese crusts and seawater. Geochimica et Cosmochimica Acta, 60 (10) 1709-1725 doi:10.1016/0016-7037(96)00063-4 | Journal (article/letter/editorial) | max. thickness %5 cm y;f;;kn-phosphatimd basalt breccia in phosphatized matrix volcanic upper 1 cm non-phosph...partly phos hatized averap 5-t cm thick basalt breccia in phosph. matrix basalt btcccia and fossiliferous...this study. These samples come from the Phoenix Islands in the southern Central Pacific (area P in Fig... whereas Ti abundances in crusts from the Marshall Islands and from the Mariana Island Arc are slightly...ratios for crusts from Micronesia, the Marshall Islands, the Line Islands, and Hawaii (data from Hein et al | | | Report (issue) | CARROLL GEOLOGY AND HYDROLOGY OF GUAM, MARIANA ISLANDS GEOLOGICAL SURVEY PROFESSIONAL PAPER 403-D Field...Comparison with phosphatic limestone from Anguar, Palau Islands ________________ _ Genesis of the pellets ___________________...Phosphatic limestone from Guam and from Anguar, Palau Islands. Limestone from the Alutom Formation. Limestone...43 46 GEOLOGY AND HYDROLOGY OF GUAM, MARIANA ISLANDS PETROLOGY OF THE LIMESTONES OF GUAM By SEYMOUR...associations characteristic of individual stone, and breccia of Oligocene age containing fragments of facies | | | Report (issue) | calcarenite and chalk, or loose clasts of these breccia components. Lithic distribution on the seamounts...2 seamounts is similar to that of the Hawaiian Islands-Emperor Seamounts chain and to that of other central...submarine volcanic edifices in the northern Line Islands Archipelago and in the Mid-Pacific Mountains. Midpac...edifices south of Johnston Island in the Line Islands Archipelago and Titov Seamount southeast of Baker...surveyed submarine volcanic edifices in the Marshall Islands Archipelago and in the Johnston Seamount Group | | | Report (issue) | (Haliotidae Through Adeorbidae) From the Western Pacific Islands GEOLOGICAL SURVEY PROFESSIONAL PAPER 531 Chitons...(Haliotidae Through Adeorbidae) From the Western Pacific Islands By HARRY S. LADD GEOLOGICAL SURVEY PROFESSIONAL..._____Mariana Islands ___________________ Marshall Islands __________ _ _ Ellice Islands _____________________...81 Page FIGURE 3. Sketch map of Guam, Mariana Islands, showing localities mentioned in text _______________...map showing fossil localities on Haipan, Mariana Islands __. 5-8. Maps showing locations of drill holes: | | | Journal (article/letter/editorial) | by Hein et al. (1992), and crusts from the Marshall Islands (Hein et al., 1988). Crusts from the south...vicinity of Hawaii, Johnston Island, Line Islands, and Marshall Islands (areas A-N), the aim of the MIDPAC 4...The substrate rocks consist of basalt, basalt breccia, and hyaloclastite, which prevail in the NCP, and...and limestone, phosphorite, and reef limestone breccia, which are more common in the SCP locations. While...Phoenix Islands So 66/5 DSR 2 2000 + (o) l. fine todorokite-rich laminae (P) Gilbert Islands So 66/6 |
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